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Definition:
"RPM LOSS"
Possible Cause:
Damaged or
misaligned RPM sensor.
Note 1
: Press and hold
the "0", "1," & "START"
keys down at the same
time, then release the "1"
key. The display will
read: MAINTENANCE.
Then press and release
the 8 key.
Or manually hold the 8
key and simultaneously
turn the treadmill on by
the on & off switch.
Both methods will
engage "Test mode".
Engage
"MAINTENANCE"
mode. Verify RPM
feedback in "Test Mode".
See (note 1)
Start
Note 3:
Verify that RPM
feedback is being
displayed under speed
as the running belt
moves.
Display reads:
XXX 3 .0
(at 0%, XXX will read 240)
Press the "+" and bring
the middle number 3 up to
50.
Does
the running
belt move
?
Left motor shroud and
verify PWM LED for
110v units or MOTOR
CONTROL LED for 220v
units
response. See (note 2)
& Diagram #1
Note 2:
Verify that the
PWM LED is flashing,
while the treadmill is on.
The PWM LED indicates
a valid control command
is being sent from the
Display Board to the
M.C.B. If the LED is not
flashing, check
connection and look for
pinch or tear marks on
the display cable.
PWM
LED responds
?
NO
YES
Does
display read
RPM feedback
see (note 3)
?
YES
Bring the speed back to
.0 then engage
automatic speed
calibration.
See (note 4)
Note 4:
To engage
automatic speed
calibration, press the
"HEART" key. Display
will read: CALI. Treadmill
will then go into a self
auto speed calibration.
This will automatically
calibrate MIN PWM, 1/2
max, and MAX PWM for
min and max speed. This
will take less than 3
minutes. Treadmill will be
in motion, during this
test.
1B1A
YESNO
Code: NO RPM Flowchart
2A
Does
unit auto
calibrate
?
Stop
YES
Check the following:
1. RPM connection to
J3 connector.
2. Check alignement.
See (note 5)
Diagram #2 & 3
NO
NO
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